package com.zelin.service;

import com.zelin.pojo.student;

import java.util.List;

public interface StudentService {
    List<student> findAll();
    List<student> findAll2();
    List<student> findAll3();
    void insert(student student);
    List<student> findStudentsByWord(String string);
    void updateStudent(student student);
    student findById(int sid);
}

